@misc{indiciae5de8612a2e3e,
  title = {Distribution of coal beds in the Fruitland Formation, southern Ute Indian Reservation, Archuleta and La Plata counties, southwestern Colorado},
  author = {D.T. Sandberg},
  year = {1988},
  doi = {10.3133/ofr88230},
  url = {https://pubs.usgs.gov/publication/ofr88230},
  note = {Source identifier: ofr88230}
}